14-Letter Words Matching __AS__________

There are 21 14-letter words that match __AS__________. 5 are common words, such as BOASTFULNESSES and CLASSIFICATION. A rarer one is QUASIPARTICLES. In this set, S is the most frequent open letter (18 words). 9 words contain a doubled letter.

Full list 21

boastfulnessesclassificationirascibilitiesreasonablenessswashbucklingsclassificatorycoastguardsmancoastguardsmenexasperatinglyfeasiblenessesseasonablenessunassumingnessavascularitiesclassicalitiesdiastereomericgraspingnessesplasmapheresesplasmapheresisplasticizationplastoquinonesquasiparticles

About this list

Words
21 (5 common words)
Common example
boastfulnesses
Rare example
quasiparticles
Doubled letters
9
Ending in S
14
Most frequent letter
S (18)

Questions

How many 14-letter words matching __as__________ are there?

21. 5 of them are common words.

What is a common example?

BOASTFULNESSES is among the common words in this set.